Telecom & Audio Transformers
telecom & audio transformers — pre-owned
Browse 135 telecom & audio transformers — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
NORTHERN ELECTRIC - MATCHING TRANSFORMER – 600 Ohm CT to 20 kOhm – TESTED
Results consistent with proper 600 Ω CT → 20 kΩ operation. Reverse tests matched Impedance: 600 Ω CT → 20 kΩ. Power Level: 10 dBm max.
(2) TF4RX17YY Audio Transformers 8, 16 ohm 1 watt
Rare Pilot No.391 Audio Transformer
You save $25.00
Rare Hall Dorson Audio Transformer
You save $25.00
Vintage Plate to Line Transformer Military 60k 600 ohm 30-15kz
Guaranteed good vintage transformer thanks
Vintage Triad Audio Transformer T-20X 15K Plate to Line 600/250/50 Ohms
1974 Newark Catalog lists as a Triad "TriJets" 15K Ohm Plate to Line 600/250/50 Ohms Primary and Secondary Impedance. Frequency Range 60-15KHz. These must be scraped down for soldering.
North Hills 0300BB Wideband Transformer FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
ELECTROMAGNETIC INDUSTRIES CTD-5 120V (M2E)
We do our best at taking as many pictures to show the item.
Crown PS-MOD/X "XLR Input Adapter for Crown PS400 / PS200 Amplifiers"
NORTH HILLS 0001BB WIDEBAND TRANSFORMER FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
North Hills 0311LB Wideband Transformer FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
NORTH HILLS 0700BB WIDEBAND TRANSFORMER FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
Vintage Triad Audio Transformer T-31X 600/250/50 Ohms
1974 Newark Catalog lists this a Triad "TriJets" Line to Line 600/250/50 Ohms Primary and Secondary Impedance. Frequency Range 50-15KHz.
Leviton 49561 Inductive Speaker Probe & Toner Cable Wire Tracer Kit Good Conditi
Leviton 49561 Inductive Speaker Probe and Toner kit in good used condition. Designed for tracing, identifying, and locating wires and cables in telecommunications, networking, and low-voltage installations. Cosmetic wear consistent with normal use. Please review all photos for condition details. Features Inductive probe and tone generator set Wire and cable tracing Telephone and network cable identification Easy-to-use handheld design Professional telecom testing tool Included Leviton 49561 Probe Tone Generator Test leads/clips as shown Only items pictured are included Condition Good used condition Light cosmetic wear Untested Sold as pictured (6)
Triad A-5X Hi-Gain Input Transformer
Sold as is. Everything you see in the pictures is what is included in this lot. We of course will get them out as fast as we can. We will help resolve whatever issue you are having. We try very hard to provide good communication and always strive for everyone to have a positive experiences!
Qingdao Yunlu 148586102 100A/0.27MH DC Choke W814858610212
Qingdao yunlu 148586102 100a/0.27mh. qingdao yunlu energy technology co., ltd. type: 148586102 100a/0.27mh. part no: w814858610212. irms: 100a. We are here to help and will do our best to resolve any issues.
Niles C5-HDDA CAT-5 Component Video and Digital Audio Transformer
Run Component Video And Digital Audio Signals Over Long Distances Using Cost-Effective CAT-5 Cable. CAT-5 Connector.
You save $7.10
NORTH HILLS WIDEBAND TRANSFORMER 0307BB FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
Inter-M OT-4960 4 x 240W 100v Output Transformer Unit
Item ID: 117685Location: EB-128E2Revised: 6/3/2026Inventory Sector: 1+. This Policy explains what Personal Data we collect from you, why we collect and process your personal data, when and with whom your personal data is shared, and your rights with respect to your Personal Data.
NORTH HILLS TRANSFORMER 0409BF FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
NORTH HILLS 0001BB WIDEBAND TRANSFORMER FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
NORTH HILLS 0520BB WIDEBAND TRANSFORMER FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
Triad and Technitrol Miniature Transformers K031RS SP-50 Everything Shown
Technitrol K03IRS and Triad SP-50 and others.
North Hills 0312BB Wideband Transformer FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
NORTH HILLS 0303LB WIDEBAND TRANSFORMER FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
TWO Hammond 903 Audio Transformers
RDL TX-LM2 Line Level to Microphone Level Transformer W/ Component Adapter Cable
Item was recently removed from working service and is in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in good condition showing minor scuffs / scratches / blemishes from previous use. Includes Line Level to Microphone Level Transformer and Component Adapter Cable as pictured. No additional items or accessories are included. Photos are of the actual unit for sale. Inventory is on hand and ready to ship. Please feel free to message us with any questions you may have. .
NORTH HILLS WIDEBAND TRANSFORMER 0400BB FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
Kanno IT-100A Isolation Transformer 100VA 2 Outlet 3pin Audio Power Supply Japan
It is 100V 100VA specification. Sales status. We are located in Japan. ■Works well. It has two 50VA outlets. Used, good condition. Well-maintained and in good condition. Nothing else is provided.
Eltek V2000A-VC V2000AVC Rectifier Module 30 Days Warranty Expedited Shipping
We will then arrange the booking and pick-up service.
Delta ESR-48/40C F REV:02 ESR4840CFREV02 Rectifier Module 30 Days Warranty
We will then arrange the booking and pick-up service. Actual Weight: 1.8Kg. with breakage an scratches.
NORTH HILLS WIDEBAND TRANSFORMER 0307BA FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
NORTH HILLS NH16189 WIDEBAND TRANSFORMER FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
NORTH HILLS 0706LB WIDEBAND TRANSFORMER FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
Triad Miniature Transformers SP-50 (4) SP-5 Everything Shown
Triad SP-50 and others.
NORTH HILLS WIDEBAND TRANSFORMER 0401BB FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
NORTH HILLS WIDEBAND TRANSFORMER 0500BB FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
North Hills 0301BB Wideband Transformer FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
NORTH HILLS WIDEBAND TRANSFORMER 0802LB FREE SHIPPING
No EXPORT of any kind. We reserve the right to cancel the sale based on suspicion of export via individual or third party. We deal in military surplus (Mainly 2-way radios and various other communication and electrical systems.).
RDL Line Matching Transformer Audio Interface Balanced Input Mic Output Terminal
Suitable for professional audio installations, balancing audio signals, or converting line-level to microphone-level outputs.